{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import pandas as pd\n",
    "from sklearn.model_selection import train_test_split"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "data = pd.read_csv(\"triplet_dataset_sub_song_merged.csv\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
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       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>user</th>\n",
       "      <th>song</th>\n",
       "      <th>listen_count</th>\n",
       "      <th>title</th>\n",
       "      <th>release</th>\n",
       "      <th>artist_name</th>\n",
       "      <th>year</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>d6589314c0a9bcbca4fee0c93b14bc402363afea</td>\n",
       "      <td>SOADQPP12A67020C82</td>\n",
       "      <td>12</td>\n",
       "      <td>You And Me Jesus</td>\n",
       "      <td>Tribute To Jake Hess</td>\n",
       "      <td>Jake Hess</td>\n",
       "      <td>2004</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>d6589314c0a9bcbca4fee0c93b14bc402363afea</td>\n",
       "      <td>SOAFTRR12AF72A8D4D</td>\n",
       "      <td>1</td>\n",
       "      <td>Harder Better Faster Stronger</td>\n",
       "      <td>Discovery</td>\n",
       "      <td>Daft Punk</td>\n",
       "      <td>2007</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>d6589314c0a9bcbca4fee0c93b14bc402363afea</td>\n",
       "      <td>SOANQFY12AB0183239</td>\n",
       "      <td>1</td>\n",
       "      <td>Uprising</td>\n",
       "      <td>Uprising</td>\n",
       "      <td>Muse</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>d6589314c0a9bcbca4fee0c93b14bc402363afea</td>\n",
       "      <td>SOAYATB12A6701FD50</td>\n",
       "      <td>1</td>\n",
       "      <td>Breakfast At Tiffany's</td>\n",
       "      <td>Home</td>\n",
       "      <td>Deep Blue Something</td>\n",
       "      <td>1993</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>d6589314c0a9bcbca4fee0c93b14bc402363afea</td>\n",
       "      <td>SOBOAFP12A8C131F36</td>\n",
       "      <td>7</td>\n",
       "      <td>Lucky (Album Version)</td>\n",
       "      <td>We Sing.  We Dance.  We Steal Things.</td>\n",
       "      <td>Jason Mraz &amp; Colbie Caillat</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                                       user                song  listen_count  \\\n",
       "0  d6589314c0a9bcbca4fee0c93b14bc402363afea  SOADQPP12A67020C82            12   \n",
       "1  d6589314c0a9bcbca4fee0c93b14bc402363afea  SOAFTRR12AF72A8D4D             1   \n",
       "2  d6589314c0a9bcbca4fee0c93b14bc402363afea  SOANQFY12AB0183239             1   \n",
       "3  d6589314c0a9bcbca4fee0c93b14bc402363afea  SOAYATB12A6701FD50             1   \n",
       "4  d6589314c0a9bcbca4fee0c93b14bc402363afea  SOBOAFP12A8C131F36             7   \n",
       "\n",
       "                           title                                release  \\\n",
       "0               You And Me Jesus                   Tribute To Jake Hess   \n",
       "1  Harder Better Faster Stronger                              Discovery   \n",
       "2                       Uprising                               Uprising   \n",
       "3         Breakfast At Tiffany's                                   Home   \n",
       "4          Lucky (Album Version)  We Sing.  We Dance.  We Steal Things.   \n",
       "\n",
       "                   artist_name  year  \n",
       "0                    Jake Hess  2004  \n",
       "1                    Daft Punk  2007  \n",
       "2                         Muse     0  \n",
       "3          Deep Blue Something  1993  \n",
       "4  Jason Mraz & Colbie Caillat     0  "
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "data.head()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'pandas.core.frame.DataFrame'>\n",
      "RangeIndex: 10774558 entries, 0 to 10774557\n",
      "Data columns (total 7 columns):\n",
      "user            object\n",
      "song            object\n",
      "listen_count    int64\n",
      "title           object\n",
      "release         object\n",
      "artist_name     object\n",
      "year            int64\n",
      "dtypes: int64(2), object(5)\n",
      "memory usage: 575.4+ MB\n"
     ]
    }
   ],
   "source": [
    "data.info()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(10774558, 7)"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "data.shape"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 作业要求是5000首-将近500+w条数据，因为pc性能原因，跑了将近1个多小时也没跑完所以我在这里只选前+5W条数据"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [],
   "source": [
    "data_sub = data[:50000]\n",
    "\n",
    "del data"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(50000, 7)"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "data_sub.shape"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "user            0\n",
       "song            0\n",
       "listen_count    0\n",
       "title           0\n",
       "release         0\n",
       "artist_name     0\n",
       "year            0\n",
       "dtype: int64"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "data_sub.isnull().sum()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [],
   "source": [
    "data_user = data_sub[['listen_count','user']].groupby('user').sum().reset_index()\n",
    "data_user.rename(columns={'listen_count':'total_count'},inplace=True)\n",
    "\n",
    "#每首歌曲的播放比例\n",
    "data_sub = pd.merge(data_sub, data_user)\n",
    "data_sub['score'] = data_sub['listen_count']/data_sub['total_count']\n",
    "del data_user"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [],
   "source": [
    "data_deal = data_sub[['user','song','score']]\n",
    "del data_sub"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>user</th>\n",
       "      <th>song</th>\n",
       "      <th>score</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>d6589314c0a9bcbca4fee0c93b14bc402363afea</td>\n",
       "      <td>SOADQPP12A67020C82</td>\n",
       "      <td>0.036474</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>d6589314c0a9bcbca4fee0c93b14bc402363afea</td>\n",
       "      <td>SOAFTRR12AF72A8D4D</td>\n",
       "      <td>0.003040</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>d6589314c0a9bcbca4fee0c93b14bc402363afea</td>\n",
       "      <td>SOANQFY12AB0183239</td>\n",
       "      <td>0.003040</td>\n",
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       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>d6589314c0a9bcbca4fee0c93b14bc402363afea</td>\n",
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       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>d6589314c0a9bcbca4fee0c93b14bc402363afea</td>\n",
       "      <td>SOBOAFP12A8C131F36</td>\n",
       "      <td>0.021277</td>\n",
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      ],
      "text/plain": [
       "                                       user                song     score\n",
       "0  d6589314c0a9bcbca4fee0c93b14bc402363afea  SOADQPP12A67020C82  0.036474\n",
       "1  d6589314c0a9bcbca4fee0c93b14bc402363afea  SOAFTRR12AF72A8D4D  0.003040\n",
       "2  d6589314c0a9bcbca4fee0c93b14bc402363afea  SOANQFY12AB0183239  0.003040\n",
       "3  d6589314c0a9bcbca4fee0c93b14bc402363afea  SOAYATB12A6701FD50  0.003040\n",
       "4  d6589314c0a9bcbca4fee0c93b14bc402363afea  SOBOAFP12A8C131F36  0.021277"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "data_deal.head()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "D:\\Anaconda3\\lib\\site-packages\\sklearn\\model_selection\\_split.py:2026: FutureWarning: From version 0.21, test_size will always complement train_size unless both are specified.\n",
      "  FutureWarning)\n"
     ]
    }
   ],
   "source": [
    "train, test = train_test_split(data_deal, train_size = 0.6,random_state = 33)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 基于用户的协同过滤推荐"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [],
   "source": [
    "from RS_User_CF import User_based_CF"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [],
   "source": [
    "user_cf = User_based_CF(train)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [],
   "source": [
    "rmse, mae = user_cf.test(test)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "RMSE is 0.01795311334479593 , MAE is 0.006585719168583385 \n"
     ]
    }
   ],
   "source": [
    "print('RMSE is {rems} , MAE is {mae} '.format(rems = rmse,mae = mae))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [],
   "source": [
    "#每个测试用户推荐前5首歌曲\n",
    "topN = 5 \n",
    "recall = user_cf.precisionRecall(topN)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "recall is 0.0524 , precision is 1.0 \n"
     ]
    }
   ],
   "source": [
    "print('recall is {recall} , precision is {precision} '.format(recall = recall[0],precision = recall[1]))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
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      "user:f5f011224d5da5ed1783e974a13a03f7c4780e08 ,recommend:[('SOLIOLC12AB017C272', 0.03057664980212727), ('SOTDKEJ12AB0187AAA', 0.030365902186957738), ('SOBNTMC12A6D4FA422', 0.03013704979043464), ('SOJYGJQ12AB017F577', 0.026667923163384417), ('SODOWQF12A81C2371B', 0.025930094409828488)]\n",
      "user:e4d4e50c99ed5b3dfe740fa1ccbe6be41eeb4f35 ,recommend:[('SOTWPXG12A8C142CF6', 0.08685295205952404), ('SORKLLM12AB0187129', 0.03951890034364261), ('SODCEJQ12A6D4FB0CF', 0.03584587739576595), ('SOBABSR12A58A7AD93', 0.02392237836557661), ('SOXVNMV12A8AE47764', 0.02305841749315776)]\n",
      "user:3cfcd2391faa1b947e316e8f9b23aef50a398d61 ,recommend:[('SOWPXAW12A6D4F7002', 0.03039900318907383), ('SOXFQVY12A58A7B456', 0.028590926783486185), ('SOJRFWQ12AB0183582', 0.028237213433814776), ('SOWRTJD12A8C132704', 0.026222364252018106), ('SOYIZSN12A6701E0BB', 0.02349481460356558)]\n",
      "user:9b6440915ca3250a333012566f5b5bc98c912268 ,recommend:[('SOBRHVR12A8C133F35', 0.057770989982414284), ('SOAPBTS12AF729BFB8', 0.05041358663839217), ('SOHSWUU12AB01843AE', 0.04895178925010204), ('SOFDKMR12A8C13F3B8', 0.047509402271464836), ('SOPXKYD12A6D4FA876', 0.04619668207849349)]\n",
      "user:655de29d3f3c1647e58b53080a6f46c47729c9f3 ,recommend:[('SOKUTUM12A6701D9CD', 0.018150968064418002), ('SODBMRI12A8151AF45', 0.013357549112665007), ('SOJJDYI12A6701FC23', 0.012877497190590805), ('SOJYBJZ12AB01801D0', 0.012538860449544918), ('SOWEHOM12A6BD4E09E', 0.011837542643835013)]\n",
      "user:aa876295ce08b97122031066ea6bf40c00789bd6 ,recommend:[('SOKWMBZ12A6D4F6F19', 0.03550295857988166), ('SOIMASC12AB018569F', 0.03452066328320509), ('SOPSOHT12A67AE0235', 0.026027630207129684), ('SOSFSQX12A8C13A53D', 0.021296913631691533), ('SOHGVLF12A8AE48B6B', 0.020300333348505804)]\n",
      "user:d43fc58752f026e294cb41ea22da787b788495fb ,recommend:[('SOKLURJ12A6D4F7814', 0.062212203402259164), ('SOSHAER12AC3DF80F7', 0.043039493257833884), ('SOBIXFH12A6D4F7823', 0.04219410987477154), ('SOWEJXA12A6701C574', 0.03888727374300722), ('SOOHPRD12A6D4F7816', 0.03879090561785799)]\n",
      "user:3ff7a31452eeabd7a4e07f0d243c674e3d0adf46 ,recommend:[('SOPSOHT12A67AE0235', 0.027722348749038013), ('SOHTKMO12AB01843B0', 0.02584828455205579), ('SOGQANL12A6701E099', 0.023999398888252844), ('SOLPVAQ12AB017EB35', 0.023592949752638866), ('SOQZYQH12A8AE468E5', 0.02193642781560403)]\n",
      "user:ba23024970826502d6028e57960d5c8e21ea33a5 ,recommend:[('SOGRHCI12A8C13C354', 0.19823788546255505), ('SOJJSWM12A6D4FA3CA', 0.048749272193964424), ('SOAJDBZ12A6D4FA3C8', 0.039647577092511016), ('SOJTUED12AF729F915', 0.02964423734474149), ('SOCKZIS12A8AE47FE0', 0.02684983677349475)]\n",
      "user:e09bbc3effe508ed043225446ded8a9387185752 ,recommend:[('SOWSFUB12AF72A5A31', 0.0660377358490566), ('SOZJQEK12A6D4FCD55', 0.019868496283590623), ('SOAJEMK12A6D4FCD63', 0.01690935496828493), ('SOSTKBU12A6D4FCD3E', 0.015539491954586294), ('SOTHBGI12A8C135E3C', 0.01475118349226483)]\n",
      "user:81cf03f36edc029eda8785e5a0ffc523ee467f91 ,recommend:[('SOFEBZH12AB017FB35', 0.04921182068862045), ('SOMMONH12A6D4F41CD', 0.04754708867593178), ('SOWKBNB12A582A2325', 0.01483679525222552), ('SOTOJSH12A58A78960', 0.008902077151335312), ('SOXJHPY12AF72A5227', 0.007971250055623514)]\n",
      "user:2e8b7e5f113de4cd1a0f68e8a376802b8b809249 ,recommend:[('SONKBOM12AC468D475', 0.1471399695551707), ('SOCSRDW12A58A760DF', 0.029961448953633736), ('SONDCOR12A8C13BA16', 0.016665308053186268), ('SOTNCZU12A8C13EDC8', 0.015518712295959637), ('SOYGBWJ12A8C13790C', 0.008435485161097538)]\n",
      "user:5fad34f4f0f56d82cd5d09bf0d1cd1dd9d9d7123 ,recommend:[('SOTSSQA12A6D4F81A7', 0.21001926782273603), ('SOUKJBT12A6701C4D6', 0.07347054972433077), ('SOJOYQG12A8C1443B1', 0.05973025048169557), ('SOWRJTZ12AB018DF97', 0.04816955684007707), ('SOIEPYI12A8C1445C6', 0.03307066884401704)]\n",
      "user:889c9d81c3a95172d2b3705a16299e990d48b387 ,recommend:[('SOGNIXD12A8C1341C3', 0.04230070060245974), ('SOUKMKR12A8C141925', 0.03656999493053641), ('SOPKPFW12A6D4F84BC', 0.03388143827233862), ('SOZCBPN12A8C14136F', 0.01561846603027111), ('SOXKVWC12A6701FB97', 0.010603526907874734)]\n",
      "user:78de73f63ea8fece4e8faf986cafd8fa3b5e5f67 ,recommend:[('SOUBMUR12A8C134787', 0.2835249042145594), ('SOFZWTX12A8C138B1D', 0.21313374320591644), ('SOSINBC12A67ADAEF6', 0.04788560538322342), ('SONQCXC12A6D4F6A37', 0.037837289511057), ('SOILCDH12A6D4F7794', 0.037755372965202455)]\n",
      "user:fa69ae7de066c877c589f3246125de7e0d17b915 ,recommend:[('SOAWJVU12AB018114E', 0.07612456747404844), ('SOSXLTC12AF72A7F54', 0.07196701681850878), ('SOEGIYH12A6D4FC0E3', 0.06761516128934317), ('SOTIOIO12A8C1377CF', 0.05190311418685121), ('SORNQVP12A6D4F79CF', 0.020761245674740483)]\n",
      "user:a7225dd24ff285e7857911a7e8362802a7358aee ,recommend:[('SOHTKMO12AB01843B0', 0.09865825894792256), ('SOTNHIP12AB0183131', 0.09319483485648361), ('SOPABZM12A6D4FC668', 0.060258504471402234), ('SOHWXEU12A8C1320D1', 0.054508010576892765)]\n",
      "user:d93a25bf85c3ba69973f5544e10735581f12f9eb ,recommend:[('SOLQYRD12A8C13CAF5', 0.07894269829749982), ('SOFOKPG12A58A7E768', 0.07134202986099553), ('SOJGSIO12A8C141DBF', 0.06922839470470406), ('SOIGMAV12A58A7DC49', 0.011976047904191617)]\n",
      "user:efe76f089a352c77dc67109b4f980d300281a81a ,recommend:[('SOEJKGZ12AF72A642F', 0.06637014925373134), ('SOOLWEJ12AB0186DA4', 0.045927105488058124), ('SOKGKMN12A8C13DFBD', 0.04148375768217735), ('SODJWHY12A8C142CCE', 0.03982629676578659), ('SOYPQGW12A81C204B0', 0.03980099502487562)]\n",
      "user:2c6366e6e30c5adce49e1f905315190bdf9b00da ,recommend:[('SOLYGDX12A6D4F83FD', 0.056286764705882356), ('SOXRLDJ12A6D4FBB2E', 0.045277258428300104), ('SOHLHQV12A58A77EB2', 0.026041666666666668), ('SOXYZAX12A6310D7AF', 0.0234375), ('SOEMQPZ12A6D4F7317', 0.02178145226537217)]\n",
      "user:ca31fb8ff87b7fbefb3d49a58457a48c37d5d329 ,recommend:[('SOJRCUU12A58A7824D', 0.16209476309226933), ('SOFBFVG12A6D4F61A7', 0.06229116796829176), ('SOAJAFJ12A58A7B75A', 0.05849063913179968), ('SOKKKZW12A6D4F7F88', 0.034468525881283234), ('SORBCRG12A6D4F8440', 0.02995465695452355)]\n",
      "user:4208d4ac45e7caab7167a4ea6d34e759a6b9a1fc ,recommend:[('SOMEJEH12A6D4FD320', 0.0724779124717485), ('SOIHUUT12AF72A2188', 0.024881994699067878), ('SOLMWQA12AF729CCB8', 0.023686176482440768), ('SOLIWZV12AF72A8CE6', 0.022527537050192656), ('SOPXKYD12A6D4FA876', 0.02209944657839688)]\n",
      "user:8d740f773a08e53ced1ad1f9b8ef73298d6e997d ,recommend:[('SOTYAJM12A6D4FD0EE', 0.01850922747243462), ('SOHWVJJ12AB0185F6D', 0.017614361927343555), ('SOIBLKQ12AB0183E85', 0.017562076240931652), ('SOJKLHZ12A6D4F90FC', 0.017506787562112595), ('SOQQLDS12AB018ADB0', 0.017506787562112595)]\n",
      "user:a25438da1efc306f44b827a4a9d4b3d1735bc1ae ,recommend:[('SOZBCKW12AB0181E84', 0.05361930294906166), ('SOZCFFJ12AB0181564', 0.028593091632067986), ('SOETKSY12A8C13C666', 0.028204209275956973), ('SOQLIZI12A8AE471C6', 0.02494983867367998), ('SOASGCC12AB017E8EC', 0.024128686327077747)]\n",
      "user:9108c38b00bf722bfc5f614f31d48c40deff75ae ,recommend:[('SOSTTPA12A8AE47622', 0.06224235104669888), ('SOOLYZQ12A6D4FA5B7', 0.04361755519690658), ('SOUJVIT12A8C1451C1', 0.037702942685293395), ('SOAQMNM12AB0188D7A', 0.03739465232804309), ('SOFQNSK12A8C141EF3', 0.026706231454005934)]\n",
      "user:a238322963cb7b5e60364d4f5e1a58e950480186 ,recommend:[('SODMOTY12A6701C433', 0.026755852842809364), ('SOMXEWC12A6D4F8080', 0.026755852842809364), ('SOESTZQ12A67021556', 0.019558573516859544), ('SODPPBT12A8C141D90', 0.01766810643826193), ('SOGIIYJ12A8C14004B', 0.016722408026755852)]\n",
      "user:5a1c14bed571901d45b60d6808c3d0672775cf7c ,recommend:[('SOZKDEA12AB0183183', 0.0873015873015873), ('SOLCJYI12A8C1340FA', 0.0582010582010582), ('SOQIZTR12A8C144631', 0.04491350634846428), ('SOWZXGX12A8C13B82D', 0.03665351745371847), ('SOMTYRF12A6701CFDD', 0.03056368904336304)]\n",
      "user:5797ab8a4c6b374ba71dd64d314171e830c6f201 ,recommend:[('SOSJLSI12A8C13FB69', 0.07622426960595458), ('SOCAUBJ12AAF3B41F7', 0.03497821869165721), ('SOJVEBJ12A8C144145', 0.03159848005788211), ('SOVSXPH12AB0181339', 0.03063338929026229), ('SONAZWN12A8151C957', 0.03043821783467928)]\n",
      "user:c632d21da985f3777ecc8600b81b4aa967005338 ,recommend:[('SONWUZV12AB0180BAD', 0.05975930446838377), ('SOKENKR12AB01828F7', 0.05524077096936213), ('SOAONVU12A6D4F4759', 0.014204545454545454), ('SOWFUUS12AB01800E7', 0.0054050116550116555), ('SOVHIAK12A8C144F9C', 0.005316156615661566)]\n",
      "user:f0f3a04d889e7315b3a05a089752d1fa4c6d6149 ,recommend:[('SOFNHEO12A81C218AC', 0.02926156646509499), ('SOBSLVH12A8C131F38', 0.028193839152679378), ('SOTJCFT12A8AE47546', 0.025280898876404494), ('SOADOQJ12A8AE45C7E', 0.02314729847184168), ('SODLYRF12AB01861E0', 0.022727731852541542)]\n",
      "user:d887b1ef4f4fc8b2ad2f298d0bd2a52decfb3520 ,recommend:[('SOSXLTC12AF72A7F54', 0.06632675997039739), ('SOXQYSC12A6310E908', 0.041566704678813605), ('SOPQLBY12A6310E992', 0.04154516854424407), ('SOIZFTE12AB0186842', 0.03792669946682948), ('SOTPDUH12A8C133980', 0.03565038903931194)]\n",
      "user:d8345526108aabcc37d7c0cf706b616532435199 ,recommend:[('SOGXQGE12AB01872A3', 0.06475468975468975), ('SOTUPME12A67ADE884', 0.056718761760883626)]\n",
      "user:25a9451387cd1b472322464bfd734c3a856f6818 ,recommend:[('SONKMPP12A6701DDBF', 0.09734513274336283), ('SOLVDFE12A8C13BD63', 0.07554659031754295), ('SOQZBYZ12A6701E7B0', 0.04961908506577174), ('SOGFFET12A58A7ECA9', 0.04671521509454676), ('SOXSMGP12A6310DFA6', 0.04574433429521924)]\n",
      "user:d9a3fd9f642af6f581036e76893bd0f7238c2335 ,recommend:[('SOQIYXY12AF72A33E0', 0.12087912087912088), ('SONYKOW12AB01849C9', 0.05475445474060392), ('SOLMWQA12AF729CCB8', 0.04971113804123901), ('SOALHPM12AB0182241', 0.04706821377663372), ('SOUFTBI12AB0183F65', 0.04556870307871676)]\n",
      "user:45198e8fde206f2b7eec5f2de75d8322ea5326bf ,recommend:[('SONYKOW12AB01849C9', 0.06613432964641931), ('SOPIEIJ12A6D4F8F81', 0.06271549067367205), ('SOFRQTD12A81C233C0', 0.06255100959427111), ('SOOQPIK12A6701F1C5', 0.05933269423898797), ('SOAXGDH12A8C13F8A1', 0.058860120287455193)]\n",
      "user:b88de0b31ca3b37eeadcdbf43f327e9e83a2595b ,recommend:[('SOWKQYL12AB0183B15', 0.04165558662553125), ('SORIMSM12A6D4FB2D5', 0.029850746268656716), ('SOEHXUX12A8C13139F', 0.02771855010660981), ('SOILISA12A6D4F87A3', 0.0021321961620469083), ('SOGIBTI12A8C138DB3', 0.0021321961620469083)]\n",
      "user:889c415eed565d927c11cee844de911a75245c8f ,recommend:[('SOPUAUF12AB017F20B', 0.06050524461526143), ('SOMLPEE12A6D4F7CAA', 0.051156336725254395), ('SOUQLPT12A6701C14B', 0.011594202898550725), ('SOFKHCP12A8AE460AF', 0.004916803378188424), ('SOVFXAA12A6D4FC5A1', 0.004347826086956522)]\n",
      "user:d156f0dfff655d03e7b3aa9a9f15ae4c8492ae9b ,recommend:[('SOORQUQ12A6D4FAB05', 0.05837168359993321), ('SOYORHQ12A8C1436A4', 0.04889347260206267), ('SOHFNKO12AB017C772', 0.04461240553676767), ('SOAXGDH12A8C13F8A1', 0.029864469042414913), ('SOLIYND12A8AE46AC8', 0.0074421789724083125)]\n",
      "user:41c12ce05f18b757d9257e5ad4f8303b4b8a8758 ,recommend:[('SODZJCH12A8C132ADC', 0.04107433078249458), ('SOAXDGK12A8C139B42', 0.025501750720284683), ('SOKXHKF12A6D4F863E', 0.02541050755338333)]\n",
      "user:65308e88b88e1f3fcc48603118226408a3aec150 ,recommend:[('SOMOVIW12A63110846', 0.13968700613967516), ('SORDUDR12A6310EF78', 0.07970901587965702), ('SOZGDUH12AF72A6DB2', 0.05049396925708528), ('SOCDGPD12AF72A8346', 0.02668138249007341), ('SOVPIIQ12A8C130D68', 0.011437154930305615)]\n",
      "user:6e90c8066ef7a7271b0b0365ffd705caa4e904ea ,recommend:[('SOSFSTC12A8C141219', 0.032515661343950224), ('SOWGFPG12A6D4F83E4', 0.031073446327683617), ('SOYSRGJ12A6D4FAC8B', 0.0306814987263892), ('SOGRPEP12A8C146C09', 0.022598870056497175), ('SOUWZPO12A6D4F83E3', 0.015315404780954747)]\n",
      "user:06d14f01b1d51acb598c505acbb5c4fb9b22970e ,recommend:[('SOAUWYT12A81C206F1', 0.09112615593919458), ('SOBOUPA12A6D4F81F1', 0.08647670806082482), ('SOZVVRE12A8C143150', 0.08245092597117491), ('SOFLJQZ12A6D4FADA6', 0.07923628603907809), ('SONJDOF12A6D4F8886', 0.0750679665264857)]\n",
      "user:8b5fe07fc882a8f77e06a4dd61d3b199db2be6c1 ,recommend:[('SOJGCZF12A6D4FB17A', 0.07142857142857142), ('SODDUBX12A6D4FA170', 0.054945054945054944), ('SOIFDQD12AB01822F5', 0.037206916762231014), ('SOAGIAY12AB0183D8F', 0.0349921947574629), ('SOJWATN12AB0183A89', 0.03296703296703297)]\n",
      "user:7fbcdfa83407a03d62aeeff164f11f387d59a4fc ,recommend:[('SOWQSYN12A58A7BB06', 0.09798270893371758), ('SOUWROC12A8C141CF3', 0.059401029620795104), ('SOWJVZY12A8C132AC2', 0.043603936454709426), ('SORWJSF12A8C138AB6', 0.040733796855736686), ('SOBJYBL12A8C134B31', 0.03462714103239213)]\n",
      "user:cdbe1d285d49e38f7cbbb3791cc97d5958781ebc ,recommend:[('SORHWSI12A6310E1FF', 0.31709841514822923), ('SOAXGDH12A8C13F8A1', 0.08911720874423716), ('SOUCPBK12A58A7881A', 0.08555671915488809), ('SOXKDFJ12A6D4FA8F9', 0.06366967637214663), ('SOFTTSD12A81C219CC', 0.061071501520466365)]\n",
      "user:aa80992e5d8457f42aea6ab238e9ad3c346fcaac ,recommend:[('SONYKOW12AB01849C9', 0.13766016967058667), ('SOCJPWM12AF72A781A', 0.011053765121672603)]\n",
      "user:050d88f241149a155b020592eb13efb643874953 ,recommend:[('SOKNWRZ12A8C13BF62', 0.09883093691770309), ('SOHTKMO12AB01843B0', 0.08819076112791074), ('SOOUNYA12AF72A5397', 0.008371890928097548)]\n",
      "user:920f175c03934274a3116eb231a3778a9c66e37a ,recommend:[('SOJKQSF12A6D4F5EE9', 0.080567245012936)]\n"
     ]
    }
   ],
   "source": [
    "#每个测试用户推荐前5首歌曲\n",
    "users = test['user'].unique()\n",
    "for user in users:\n",
    "    print('user:{} ,recommend:{}'.format(user, user_cf.recommend(user,topN)))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 基于物品的协同过滤"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [],
   "source": [
    "from RS_Item_CF import Item_based_CF"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {},
   "outputs": [],
   "source": [
    "item_cf = Item_based_CF(train)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [],
   "source": [
    "rmse, mae = item_cf.test(test)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "RMSE is 0.020684439440290723 , MAE is 0.007290901416447461 \n"
     ]
    }
   ],
   "source": [
    "print('RMSE is {rems} , MAE is {mae} '.format(rems = rmse,mae = mae))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [],
   "source": [
    "recall = item_cf.precisionRecall(topN)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "recall is 0.0524 , precision is 1.0 \n"
     ]
    }
   ],
   "source": [
    "print('recall is {recall} , precision is {precision} '.format(recall = recall[0],precision = recall[1]))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
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     "output_type": "stream",
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      "user:41c12ce05f18b757d9257e5ad4f8303b4b8a8758 ,recommend:[('SOKXHKF12A6D4F863E', 0.1144631765749778), ('SODZJCH12A8C132ADC', 0.11111111111111109), ('SOAXDGK12A8C139B42', 0.10636645962732917)]\n",
      "user:65308e88b88e1f3fcc48603118226408a3aec150 ,recommend:[('SOMOVIW12A63110846', 0.07763309253025488), ('SOZGDUH12AF72A6DB2', 0.07272727272727272), ('SOVPIIQ12A8C130D68', 0.03636363636363636), ('SORDUDR12A6310EF78', 0.014988238673668204), ('SOCDGPD12AF72A8346', 0.0022727272727272726)]\n",
      "user:6e90c8066ef7a7271b0b0365ffd705caa4e904ea ,recommend:[('SOWGFPG12A6D4F83E4', 0.03613465160075329), ('SOGRPEP12A8C146C09', 0.035593220338983045), ('SOYRLND12AB018065C', 0.03444154715341155), ('SOUWZPO12A6D4F83E3', 0.03421217827997488), ('SOSKDTM12A6701C795', 0.033091202582728)]\n",
      "user:06d14f01b1d51acb598c505acbb5c4fb9b22970e ,recommend:[('SOKVDJM12A8C13B274', 0.2598870056497175), ('SOCPNNV12A6D4F74DD', 0.09541745134965474), ('SOAUWYT12A81C206F1', 0.07674061884571459), ('SOBOUPA12A6D4F81F1', 0.071964566947614), ('SOTXRZC12AB018165A', 0.06250000000000001)]\n",
      "user:8b5fe07fc882a8f77e06a4dd61d3b199db2be6c1 ,recommend:[('SOJGCZF12A6D4FB17A', 0.03494505494505495), ('SOIFDQD12AB01822F5', 0.0349166838730943), ('SOJWATN12AB0183A89', 0.03486897717666949), ('SOZBANF12A81C23563', 0.0345950345950346), ('SOTMOLU12AB0181D7A', 0.03355572998430142)]\n",
      "user:7fbcdfa83407a03d62aeeff164f11f387d59a4fc ,recommend:[('SOLMMMG12AB0184A21', 0.0547550432276657), ('SOWQSYN12A58A7BB06', 0.03650336215177714), ('SOJSFUH12AB018B9E0', 0.03571428571428571), ('SORWJSF12A8C138AB6', 0.013591988284840479), ('SOGBAFJ12A8C141D1D', 0.012487992315081652)]\n",
      "user:cdbe1d285d49e38f7cbbb3791cc97d5958781ebc ,recommend:[('SOFTTSD12A81C219CC', 0.2903225806451613), ('SOAXGDH12A8C13F8A1', 0.09328396432018737), ('SORHWSI12A6310E1FF', 0.07258064516129033), ('SOUCPBK12A58A7881A', 0.04235496631505582), ('SOOWVNN12A8C140775', 0.027617666124770783)]\n",
      "user:aa80992e5d8457f42aea6ab238e9ad3c346fcaac ,recommend:[('SOCJPWM12AF72A781A', 0.1301218161683278), ('SONYKOW12AB01849C9', 0.125)]\n",
      "user:050d88f241149a155b020592eb13efb643874953 ,recommend:[('SOOUNYA12AF72A5397', 0.09137931034482759), ('SOHTKMO12AB01843B0', 0.07600943240460194), ('SOKNWRZ12A8C13BF62', 0.017241379310344827)]\n",
      "user:920f175c03934274a3116eb231a3778a9c66e37a ,recommend:[('SOJKQSF12A6D4F5EE9', 0.07665505226480836)]\n"
     ]
    }
   ],
   "source": [
    "#每个测试用户推荐前5首歌曲\n",
    "users = test['user'].unique()\n",
    "for user in users:\n",
    "    print('user:{} ,recommend:{}'.format(user, item_cf.recommend(user,topN)))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 基于SVD的协同过滤推荐"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "metadata": {},
   "outputs": [],
   "source": [
    "from RS_SVD_CF import SVD_CF"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "metadata": {},
   "outputs": [],
   "source": [
    "svd_cf = SVD_CF(train)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "the  0 -th  step is running\n",
      "the rmse of this step on train data is  0.6873809341934608\n",
      "the  1 -th  step is running\n",
      "the rmse of this step on train data is  0.18834911616039424\n",
      "the  2 -th  step is running\n",
      "the rmse of this step on train data is  0.0961603398931492\n",
      "the  3 -th  step is running\n",
      "the rmse of this step on train data is  0.061034492083969605\n",
      "the  4 -th  step is running\n",
      "the rmse of this step on train data is  0.0443013559100369\n",
      "the  5 -th  step is running\n",
      "the rmse of this step on train data is  0.03499860080740878\n",
      "the  6 -th  step is running\n",
      "the rmse of this step on train data is  0.029130261094438056\n",
      "the  7 -th  step is running\n",
      "the rmse of this step on train data is  0.0251223290883142\n",
      "the  8 -th  step is running\n",
      "the rmse of this step on train data is  0.02221853420191095\n",
      "the  9 -th  step is running\n",
      "the rmse of this step on train data is  0.02007879926147879\n",
      "the  10 -th  step is running\n",
      "the rmse of this step on train data is  0.01832515501481498\n",
      "the  11 -th  step is running\n",
      "the rmse of this step on train data is  0.016922534467902026\n",
      "the  12 -th  step is running\n",
      "the rmse of this step on train data is  0.015813151717645062\n",
      "the  13 -th  step is running\n",
      "the rmse of this step on train data is  0.014851107952620323\n",
      "the  14 -th  step is running\n",
      "the rmse of this step on train data is  0.014033631246556733\n",
      "the  15 -th  step is running\n",
      "the rmse of this step on train data is  0.013332719388158483\n",
      "the  16 -th  step is running\n",
      "the rmse of this step on train data is  0.01276226916262349\n",
      "the  17 -th  step is running\n",
      "the rmse of this step on train data is  0.012220394840316185\n",
      "the  18 -th  step is running\n",
      "the rmse of this step on train data is  0.011771023298499229\n",
      "the  19 -th  step is running\n",
      "the rmse of this step on train data is  0.011362397035434015\n",
      "the  20 -th  step is running\n",
      "the rmse of this step on train data is  0.011000271362628489\n",
      "the  21 -th  step is running\n",
      "the rmse of this step on train data is  0.010691296403157335\n",
      "the  22 -th  step is running\n",
      "the rmse of this step on train data is  0.01039960517711257\n",
      "the  23 -th  step is running\n",
      "the rmse of this step on train data is  0.010145004048847288\n",
      "the  24 -th  step is running\n",
      "the rmse of this step on train data is  0.009918222227824394\n",
      "the  25 -th  step is running\n",
      "the rmse of this step on train data is  0.009706097717990692\n",
      "the  26 -th  step is running\n",
      "the rmse of this step on train data is  0.009521573276867722\n",
      "the  27 -th  step is running\n",
      "the rmse of this step on train data is  0.009351000906968655\n",
      "the  28 -th  step is running\n",
      "the rmse of this step on train data is  0.009201191359571592\n",
      "the  29 -th  step is running\n",
      "the rmse of this step on train data is  0.00905998571227998\n",
      "the  30 -th  step is running\n",
      "the rmse of this step on train data is  0.008931851053610699\n",
      "the  31 -th  step is running\n",
      "the rmse of this step on train data is  0.008815893256294328\n",
      "the  32 -th  step is running\n",
      "the rmse of this step on train data is  0.008704855960372019\n",
      "the  33 -th  step is running\n",
      "the rmse of this step on train data is  0.008611155197475056\n",
      "the  34 -th  step is running\n",
      "the rmse of this step on train data is  0.008520267556731678\n",
      "the  35 -th  step is running\n",
      "the rmse of this step on train data is  0.008437774444379074\n",
      "the  36 -th  step is running\n",
      "the rmse of this step on train data is  0.008362376763856743\n",
      "the  37 -th  step is running\n",
      "the rmse of this step on train data is  0.008291469245720839\n",
      "the  38 -th  step is running\n",
      "the rmse of this step on train data is  0.008230098037614961\n",
      "the  39 -th  step is running\n",
      "the rmse of this step on train data is  0.008169191113059446\n",
      "the  40 -th  step is running\n",
      "the rmse of this step on train data is  0.008118413507611062\n",
      "the  41 -th  step is running\n",
      "the rmse of this step on train data is  0.008067281272426667\n",
      "the  42 -th  step is running\n",
      "the rmse of this step on train data is  0.008023312072507078\n",
      "the  43 -th  step is running\n",
      "the rmse of this step on train data is  0.007975238787181932\n",
      "the  44 -th  step is running\n",
      "the rmse of this step on train data is  0.007938656902458464\n",
      "the  45 -th  step is running\n",
      "the rmse of this step on train data is  0.007901319597019058\n",
      "the  46 -th  step is running\n",
      "the rmse of this step on train data is  0.007868642654489553\n",
      "the  47 -th  step is running\n",
      "the rmse of this step on train data is  0.007838174334634712\n",
      "the  48 -th  step is running\n",
      "the rmse of this step on train data is  0.007808170181050887\n",
      "the  49 -th  step is running\n",
      "the rmse of this step on train data is  0.007780755776343578\n"
     ]
    }
   ],
   "source": [
    "svd_cf.train()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "metadata": {},
   "outputs": [],
   "source": [
    "rmse, mae = svd_cf.test(test)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "RMSE is 0.027108032532992554 , MAE is 0.008129799213199609 \n"
     ]
    }
   ],
   "source": [
    "print('RMSE is {rems} , MAE is {mae} '.format(rems = rmse,mae = mae))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "metadata": {},
   "outputs": [],
   "source": [
    "recall = svd_cf.precisionRecall(topN)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "recall is 0.0524 , precision is 1.0 \n"
     ]
    }
   ],
   "source": [
    "print('recall is {recall} , precision is {precision} '.format(recall = recall[0],precision = recall[1]))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 34,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "user:be21ec120193effd2a5e545c4bafa2e1f92e9816 ,recommend:[('SOVIKOY12AB018627D', 0.05453038986990332), ('SOULBNJ12AB01851E9', 0.0477514057662588), ('SOXGJAX12A58A7BA10', 0.043355009651999545), ('SOBHIJO12A6D4FA26C', 0.04273037409770867), ('SOQQKVD12A6D4F7EE9', 0.04247918505268553)]\n",
      "user:476081b0f3867e7f08f9a5ba2945848f8ddb3712 ,recommend:[('SOBPGWB12A6D4F7EF3', 0.05403586470409448), ('SOVSPCM12A67ADE7A8', 0.035169988276670575), ('SOFJMQW12AF72AA3D7', 0.028206718798786248), ('SOOQOSK12A8C135644', 0.02703698570580455), ('SOTQQFE12A67ADE613', 0.026355053419304865)]\n",
      "user:5cee26f8f0f6dd372408cbe7e625763c8e6ee6f5 ,recommend:[('SOFUHUE12A6D4F74D8', 0.0798004987531172), ('SOEZEAC12AB017E99D', 0.0437268896723708), ('SOZEBAZ12AF72A80C8', 0.035539272384456554), ('SOBRHVR12A8C133F35', 0.03528702153791094), ('SOWBTPS12A6D4FA5BE', 0.024726405994666512)]\n",
      "user:a979f3e134e98e5630bd9b117e1a2825ce4db463 ,recommend:[('SOYOHMP12A6D4F6244', 0.02159265095553717), ('SOCLNBL12A8C13F440', 0.021282309081876), ('SOSMQOO12A8C13BAC0', 0.018940021593140885), ('SOMDVSL12A6D4F7230', 0.018794272582134113), ('SOETSTN12A81C219A9', 0.018154342639413665)]\n",
      "user:f950c72da3617fe94a02c753dfeedb5a7acf6def ,recommend:[('SOMGIYR12AB0187973', 0.03913760338952959), ('SOQVYFB12A8C138EC8', 0.03294520388464067), ('SOPLAHV12A8C13D110', 0.01397798874778729), ('SOQUMXN12A8C142245', 0.013187854529876145), ('SOCGFSH12A81C238C6', 0.012063000422331247)]\n",
      "user:f81bb820a30b7ccf9be7846741811f3a477541d5 ,recommend:[('SOJSCKJ12A8C1455E5', 0.054342016154694056), ('SOPBZAX12AB018D8E5', 0.03889254178492588), ('SOKTJXL12A8C13C90B', 0.018390177186360285), ('SOOXKDH12A8C13623E', 0.017128954826768454), ('SOUJVIT12A8C1451C1', 0.016160264024404132)]\n",
      "user:4ddb84f560e69192fca6911b29c2b73494edf88a ,recommend:[('SOGYTIV12A6D4FBF10', 0.06211195774875019), ('SOPSNGF12A6D4FBF0F', 0.03690545527420412), ('SOIYTOA12A6D4F9A23', 0.0333994708994709), ('SOPIADQ12A8C13C9C9', 0.032643670176980964), ('SOSZKTX12A8C13F831', 0.032407407407407406)]\n",
      "user:871071769c5b118f76e591679ffa861b28179541 ,recommend:[('SOYOHMP12A6D4F6244', 0.04409230014574545), ('SOEKBXL12A6D4FC6FC', 0.03404173717186188), ('SOXPDDQ12A58A76829', 0.01815874251364575), ('SOOQRFL12A8C13720C', 0.015723270440251572), ('SOJJKYD12A6D4FA151', 0.015272583999077246)]\n",
      "user:765b329f31421cb5ff118984dbcc1433f4d3ec2e ,recommend:[('SOSXLTC12AF72A7F54', 0.040909633440322994), ('SOIMTII12A6D4F662A', 0.03220754836143784), ('SONAQPM12AB018DD17', 0.029474955658265158), ('SOHZGLQ12AB01879B0', 0.028840373736665568), ('SONEWAX12AB018DD3F', 0.026919232214242132)]\n",
      "user:2eb53793fa588c588ce3e4cdac2f02ed47861891 ,recommend:[('SOHJIDD12AB0183260', 0.09974804387272748), ('SOGEPDV12AB017EF7B', 0.059602649006622516), ('SOCPKTZ12A6D4F7C8C', 0.03183688123636149), ('SOZWKGF12A8C135850', 0.02474823192015684), ('SOTCKFZ12A8C142C17', 0.01694322553585758)]\n",
      "user:1ee591a388274035a4fd8a4ae40a9589d320bb9d ,recommend:[('SOLJWIQ12A6D4FA875', 0.18516400615629588), ('SOAFTRR12AF72A8D4D', 0.04299677536197352), ('SOTWNDJ12A8C143984', 0.04188824252436968), ('SOQGOPT12AAF3B2B27', 0.03572111511808368), ('SONIMNU12B0B8092AB', 0.02376572172197199)]\n",
      "user:94d5bdc37683950e90c56c9b32721edb5d347600 ,recommend:[('SOANSPC12A6702154A', 0.11718947908056941), ('SOZQKZS12A8C13B190', 0.061224489795918366), ('SOPUCYA12A8C13A694', 0.03809048004789429), ('SOIGZMC12A6D4F979B', 0.03648556913045695), ('SOPBZAX12AB018D8E5', 0.02787118262790761)]\n",
      "user:97108314fbfe395b2897fa0b403df8e7e818842c ,recommend:[('SOEIKDT12A8C1401A6', 0.05917159763313609), ('SOZOQBO12A679C804F', 0.049761907133702016), ('SOWBYZF12A6D4F9424', 0.04767784098021332), ('SOFSTPP12AAFF43630', 0.03521012105745093), ('SOMVIOV12A6D4F719A', 0.03183835395373857)]\n",
      "user:4e11f45d732f4861772b2906f81a7d384552ad12 ,recommend:[('SOGUPFF12AF72A7CB9', 0.3422014712155234), ('SOAUDET12A6D4F96B7', 0.04520493570728633), ('SODLLYS12A8C13A96B', 0.023276810046176016), ('SOMDVSL12A6D4F7230', 0.01539690666530266), ('SOSYSJI12A8C13C24D', 0.014627916549901443)]\n",
      "user:d521d6f5f6bec4f64521a2605bdcaede4191d1b8 ,recommend:[('SOKNZYY12AF72A82A2', 0.0522712542382719), ('SOSUJEK12A6D4FB178', 0.04702970297029703), ('SOYWBDC12A8C142D90', 0.04207920792079208), ('SOCJCVW12A8AE47537', 0.03952359521666453), ('SOCBQKE12AB018548E', 0.026606981483593882)]\n",
      "user:77b79969d9e9f473bacdffd19fc09cd09d3b0599 ,recommend:[('SOQZYQH12A8AE468E5', 0.039884205982359706), ('SOIASJQ12AC468AF65', 0.03747109919563069), ('SOLHTJY12A58A7AFE7', 0.025505050505050506), ('SOZXNVK12A8C13CF0E', 0.02025537822227546), ('SOTSJDX12AF72A9AFD', 0.01989702205462433)]\n",
      "user:d6c990812a8e346e21ff899ee8bdb581f986561e ,recommend:[('SORJVDO12AF72A1970', 0.06965229275397739), ('SOGHCVR12A6D4FDDB9', 0.03612613895216401), ('SOYFFHB12AF72AB11A', 0.029612756264236904), ('SOQWHFM12A8C138FF8', 0.028674081123155382), ('SOSJRJP12A6D4F826F', 0.026563162181455977)]\n",
      "user:8ce7f9ce58f6961a630b22196eaf5a248d85ff66 ,recommend:[('SOHTKMO12AB01843B0', 0.08463102684449272), ('SOMNQCT12A8C13C8F8', 0.052340322064868945), ('SOFCPOU12A8C13BF40', 0.048606154548426844), ('SOUNZHU12A8AE47481', 0.0466340286465057), ('SODOZXB12A8C13CD55', 0.04324516779461135)]\n",
      "user:57a9158b6b8306ae96682a63bc56c58391182dc8 ,recommend:[('SOPGCXT12A8C138AD1', 0.047619047619047616), ('SOAUWYT12A81C206F1', 0.030772988627242925), ('SOQZYQH12A8AE468E5', 0.030620074061334126), ('SOSVQNK12AC468D6BE', 0.028169435520572886), ('SOLGLUC12AB018A8FA', 0.02151038850465236)]\n",
      "user:12a4a991c8b53cd6906995caed8b1f2bd3b6436a ,recommend:[('SOMCAFM12A58A7B024', 0.026456056207782488), ('SOLAWKK12A81C2367A', 0.021571104098829123), ('SORAPRA12A6D4FE11E', 0.018867924528301886), ('SOIRTJF12AB018305C', 0.013672805915285899), ('SONPGGS12AB0183AD2', 0.013477088948787063)]\n",
      "user:782bed59a35f60e45591b908452f3b30602468ac ,recommend:[('SOMUZNU12AB0189B5D', 0.09468822170900693), ('SORMLZF12A8C143FFA', 0.05542725173210162), ('SOGAGAT12A6D4FAF3D', 0.0457843837918891), ('SONZWDK12A6701F62B', 0.025198718183706642), ('SOLXTXN12AB018238A', 0.025197584464532227)]\n",
      "user:b61afb42335287239bd40e1dea50d849cbf8a9a9 ,recommend:[('SOZBZSY12A6D4FA404', 0.0460618982840561), ('SOTOKSY12AB017E7FE', 0.038335976313695314), ('SOLSOPR12A6D4F5418', 0.022079634350004394), ('SOQPHMT12A67ADBD8D', 0.020478188075659626), ('SOKFYFE12A6701D104', 0.01968287012422443)]\n",
      "user:3e6ef2a572d1f6f06df71bf28190eae9e1934a61 ,recommend:[('SOMFUWK12A6D4F8AFA', 0.03723522123782665), ('SOSVQNK12AC468D6BE', 0.03349748999118101), ('SOAUWYT12A81C206F1', 0.028076868866472104), ('SOWXDVT12B0B80BFA3', 0.016436803241574215), ('SOMNGMO12A6702187E', 0.013035142722724671)]\n",
      "user:baf47ed8da24d607e50d8684cde78b923538640f ,recommend:[('SOGELSC12AB0189300', 0.042817495102692185), ('SOVKYJD12A6D4F921B', 0.03865982376436514), ('SOJDCEE12A6701C5B3', 0.03745291933406804), ('SOVZRJK12A8C139250', 0.02), ('SOGZHXG12AF72A0EE8', 0.01980459213132716)]\n",
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    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
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      "user:ba23024970826502d6028e57960d5c8e21ea33a5 ,recommend:[('SOGRHCI12A8C13C354', 0.19823788546255505), ('SOJJSWM12A6D4FA3CA', 0.048749272193964424), ('SOAJDBZ12A6D4FA3C8', 0.039647577092511016), ('SOJTUED12AF729F915', 0.02964423734474149), ('SOCKZIS12A8AE47FE0', 0.02684983677349475)]\n",
      "user:e09bbc3effe508ed043225446ded8a9387185752 ,recommend:[('SOWSFUB12AF72A5A31', 0.0660377358490566), ('SOZJQEK12A6D4FCD55', 0.019868496283590623), ('SOAJEMK12A6D4FCD63', 0.01690935496828493), ('SOSTKBU12A6D4FCD3E', 0.015539491954586294), ('SOTHBGI12A8C135E3C', 0.01475118349226483)]\n",
      "user:81cf03f36edc029eda8785e5a0ffc523ee467f91 ,recommend:[('SOFEBZH12AB017FB35', 0.04921182068862045), ('SOMMONH12A6D4F41CD', 0.04754708867593178), ('SOWKBNB12A582A2325', 0.01483679525222552), ('SOTOJSH12A58A78960', 0.008902077151335312), ('SOXJHPY12AF72A5227', 0.007971250055623514)]\n",
      "user:2e8b7e5f113de4cd1a0f68e8a376802b8b809249 ,recommend:[('SONKBOM12AC468D475', 0.1471399695551707), ('SOCSRDW12A58A760DF', 0.029961448953633736), ('SONDCOR12A8C13BA16', 0.016665308053186268), ('SOTNCZU12A8C13EDC8', 0.015518712295959637), ('SOYGBWJ12A8C13790C', 0.008435485161097538)]\n",
      "user:5fad34f4f0f56d82cd5d09bf0d1cd1dd9d9d7123 ,recommend:[('SOTSSQA12A6D4F81A7', 0.21001926782273603), ('SOUKJBT12A6701C4D6', 0.07347054972433077), ('SOJOYQG12A8C1443B1', 0.05973025048169557), ('SOWRJTZ12AB018DF97', 0.04816955684007707), ('SOIEPYI12A8C1445C6', 0.03307066884401704)]\n",
      "user:889c9d81c3a95172d2b3705a16299e990d48b387 ,recommend:[('SOGNIXD12A8C1341C3', 0.04230070060245974), ('SOUKMKR12A8C141925', 0.03656999493053641), ('SOPKPFW12A6D4F84BC', 0.03388143827233862), ('SOZCBPN12A8C14136F', 0.01561846603027111), ('SOXKVWC12A6701FB97', 0.010603526907874734)]\n",
      "user:78de73f63ea8fece4e8faf986cafd8fa3b5e5f67 ,recommend:[('SOUBMUR12A8C134787', 0.2835249042145594), ('SOFZWTX12A8C138B1D', 0.21313374320591644), ('SOSINBC12A67ADAEF6', 0.04788560538322342), ('SONQCXC12A6D4F6A37', 0.037837289511057), ('SOILCDH12A6D4F7794', 0.037755372965202455)]\n",
      "user:fa69ae7de066c877c589f3246125de7e0d17b915 ,recommend:[('SOAWJVU12AB018114E', 0.07612456747404844), ('SOSXLTC12AF72A7F54', 0.07196701681850878), ('SOEGIYH12A6D4FC0E3', 0.06761516128934317), ('SOTIOIO12A8C1377CF', 0.05190311418685121), ('SORNQVP12A6D4F79CF', 0.020761245674740483)]\n",
      "user:a7225dd24ff285e7857911a7e8362802a7358aee ,recommend:[('SOHTKMO12AB01843B0', 0.09865825894792256), ('SOTNHIP12AB0183131', 0.09319483485648361), ('SOPABZM12A6D4FC668', 0.060258504471402234), ('SOHWXEU12A8C1320D1', 0.054508010576892765)]\n",
      "user:d93a25bf85c3ba69973f5544e10735581f12f9eb ,recommend:[('SOLQYRD12A8C13CAF5', 0.07894269829749982), ('SOFOKPG12A58A7E768', 0.07134202986099553), ('SOJGSIO12A8C141DBF', 0.06922839470470406), ('SOIGMAV12A58A7DC49', 0.011976047904191617)]\n",
      "user:efe76f089a352c77dc67109b4f980d300281a81a ,recommend:[('SOEJKGZ12AF72A642F', 0.06637014925373134), ('SOOLWEJ12AB0186DA4', 0.045927105488058124), ('SOKGKMN12A8C13DFBD', 0.04148375768217735), ('SODJWHY12A8C142CCE', 0.03982629676578659), ('SOYPQGW12A81C204B0', 0.03980099502487562)]\n",
      "user:2c6366e6e30c5adce49e1f905315190bdf9b00da ,recommend:[('SOLYGDX12A6D4F83FD', 0.056286764705882356), ('SOXRLDJ12A6D4FBB2E', 0.045277258428300104), ('SOHLHQV12A58A77EB2', 0.026041666666666668), ('SOXYZAX12A6310D7AF', 0.0234375), ('SOEMQPZ12A6D4F7317', 0.02178145226537217)]\n",
      "user:ca31fb8ff87b7fbefb3d49a58457a48c37d5d329 ,recommend:[('SOJRCUU12A58A7824D', 0.16209476309226933), ('SOFBFVG12A6D4F61A7', 0.06229116796829176), ('SOAJAFJ12A58A7B75A', 0.05849063913179968), ('SOKKKZW12A6D4F7F88', 0.034468525881283234), ('SORBCRG12A6D4F8440', 0.02995465695452355)]\n",
      "user:4208d4ac45e7caab7167a4ea6d34e759a6b9a1fc ,recommend:[('SOMEJEH12A6D4FD320', 0.0724779124717485), ('SOIHUUT12AF72A2188', 0.024881994699067878), ('SOLMWQA12AF729CCB8', 0.023686176482440768), ('SOLIWZV12AF72A8CE6', 0.022527537050192656), ('SOPXKYD12A6D4FA876', 0.02209944657839688)]\n",
      "user:8d740f773a08e53ced1ad1f9b8ef73298d6e997d ,recommend:[('SOTYAJM12A6D4FD0EE', 0.01850922747243462), ('SOHWVJJ12AB0185F6D', 0.017614361927343555), ('SOIBLKQ12AB0183E85', 0.017562076240931652), ('SOJKLHZ12A6D4F90FC', 0.017506787562112595), ('SOQQLDS12AB018ADB0', 0.017506787562112595)]\n",
      "user:a25438da1efc306f44b827a4a9d4b3d1735bc1ae ,recommend:[('SOZBCKW12AB0181E84', 0.05361930294906166), ('SOZCFFJ12AB0181564', 0.028593091632067986), ('SOETKSY12A8C13C666', 0.028204209275956973), ('SOQLIZI12A8AE471C6', 0.02494983867367998), ('SOASGCC12AB017E8EC', 0.024128686327077747)]\n",
      "user:9108c38b00bf722bfc5f614f31d48c40deff75ae ,recommend:[('SOSTTPA12A8AE47622', 0.06224235104669888), ('SOOLYZQ12A6D4FA5B7', 0.04361755519690658), ('SOUJVIT12A8C1451C1', 0.037702942685293395), ('SOAQMNM12AB0188D7A', 0.03739465232804309), ('SOFQNSK12A8C141EF3', 0.026706231454005934)]\n",
      "user:a238322963cb7b5e60364d4f5e1a58e950480186 ,recommend:[('SODMOTY12A6701C433', 0.026755852842809364), ('SOMXEWC12A6D4F8080', 0.026755852842809364), ('SOESTZQ12A67021556', 0.019558573516859544), ('SODPPBT12A8C141D90', 0.01766810643826193), ('SOGIIYJ12A8C14004B', 0.016722408026755852)]\n",
      "user:5a1c14bed571901d45b60d6808c3d0672775cf7c ,recommend:[('SOZKDEA12AB0183183', 0.0873015873015873), ('SOLCJYI12A8C1340FA', 0.0582010582010582), ('SOQIZTR12A8C144631', 0.04491350634846428), ('SOWZXGX12A8C13B82D', 0.03665351745371847), ('SOMTYRF12A6701CFDD', 0.03056368904336304)]\n",
      "user:5797ab8a4c6b374ba71dd64d314171e830c6f201 ,recommend:[('SOSJLSI12A8C13FB69', 0.07622426960595458), ('SOCAUBJ12AAF3B41F7', 0.03497821869165721), ('SOJVEBJ12A8C144145', 0.03159848005788211), ('SOVSXPH12AB0181339', 0.03063338929026229), ('SONAZWN12A8151C957', 0.03043821783467928)]\n",
      "user:c632d21da985f3777ecc8600b81b4aa967005338 ,recommend:[('SONWUZV12AB0180BAD', 0.05975930446838377), ('SOKENKR12AB01828F7', 0.05524077096936213), ('SOAONVU12A6D4F4759', 0.014204545454545454), ('SOWFUUS12AB01800E7', 0.0054050116550116555), ('SOVHIAK12A8C144F9C', 0.005316156615661566)]\n",
      "user:f0f3a04d889e7315b3a05a089752d1fa4c6d6149 ,recommend:[('SOFNHEO12A81C218AC', 0.02926156646509499), ('SOBSLVH12A8C131F38', 0.028193839152679378), ('SOTJCFT12A8AE47546', 0.025280898876404494), ('SOADOQJ12A8AE45C7E', 0.02314729847184168), ('SODLYRF12AB01861E0', 0.022727731852541542)]\n",
      "user:d887b1ef4f4fc8b2ad2f298d0bd2a52decfb3520 ,recommend:[('SOSXLTC12AF72A7F54', 0.06632675997039739), ('SOXQYSC12A6310E908', 0.041566704678813605), ('SOPQLBY12A6310E992', 0.04154516854424407), ('SOIZFTE12AB0186842', 0.03792669946682948), ('SOTPDUH12A8C133980', 0.03565038903931194)]\n",
      "user:d8345526108aabcc37d7c0cf706b616532435199 ,recommend:[('SOGXQGE12AB01872A3', 0.06475468975468975), ('SOTUPME12A67ADE884', 0.056718761760883626)]\n",
      "user:25a9451387cd1b472322464bfd734c3a856f6818 ,recommend:[('SONKMPP12A6701DDBF', 0.09734513274336283), ('SOLVDFE12A8C13BD63', 0.07554659031754295), ('SOQZBYZ12A6701E7B0', 0.04961908506577174), ('SOGFFET12A58A7ECA9', 0.04671521509454676), ('SOXSMGP12A6310DFA6', 0.04574433429521924)]\n",
      "user:d9a3fd9f642af6f581036e76893bd0f7238c2335 ,recommend:[('SOQIYXY12AF72A33E0', 0.12087912087912088), ('SONYKOW12AB01849C9', 0.05475445474060392), ('SOLMWQA12AF729CCB8', 0.04971113804123901), ('SOALHPM12AB0182241', 0.04706821377663372), ('SOUFTBI12AB0183F65', 0.04556870307871676)]\n",
      "user:45198e8fde206f2b7eec5f2de75d8322ea5326bf ,recommend:[('SONYKOW12AB01849C9', 0.06613432964641931), ('SOPIEIJ12A6D4F8F81', 0.06271549067367205), ('SOFRQTD12A81C233C0', 0.06255100959427111), ('SOOQPIK12A6701F1C5', 0.05933269423898797), ('SOAXGDH12A8C13F8A1', 0.058860120287455193)]\n",
      "user:b88de0b31ca3b37eeadcdbf43f327e9e83a2595b ,recommend:[('SOWKQYL12AB0183B15', 0.04165558662553125), ('SORIMSM12A6D4FB2D5', 0.029850746268656716), ('SOEHXUX12A8C13139F', 0.02771855010660981), ('SOILISA12A6D4F87A3', 0.0021321961620469083), ('SOGIBTI12A8C138DB3', 0.0021321961620469083)]\n",
      "user:889c415eed565d927c11cee844de911a75245c8f ,recommend:[('SOPUAUF12AB017F20B', 0.06050524461526143), ('SOMLPEE12A6D4F7CAA', 0.051156336725254395), ('SOUQLPT12A6701C14B', 0.011594202898550725), ('SOFKHCP12A8AE460AF', 0.004916803378188424), ('SOVFXAA12A6D4FC5A1', 0.004347826086956522)]\n",
      "user:d156f0dfff655d03e7b3aa9a9f15ae4c8492ae9b ,recommend:[('SOORQUQ12A6D4FAB05', 0.05837168359993321), ('SOYORHQ12A8C1436A4', 0.04889347260206267), ('SOHFNKO12AB017C772', 0.04461240553676767), ('SOAXGDH12A8C13F8A1', 0.029864469042414913), ('SOLIYND12A8AE46AC8', 0.0074421789724083125)]\n",
      "user:41c12ce05f18b757d9257e5ad4f8303b4b8a8758 ,recommend:[('SODZJCH12A8C132ADC', 0.04107433078249458), ('SOAXDGK12A8C139B42', 0.025501750720284683), ('SOKXHKF12A6D4F863E', 0.02541050755338333)]\n",
      "user:65308e88b88e1f3fcc48603118226408a3aec150 ,recommend:[('SOMOVIW12A63110846', 0.13968700613967516), ('SORDUDR12A6310EF78', 0.07970901587965702), ('SOZGDUH12AF72A6DB2', 0.05049396925708528), ('SOCDGPD12AF72A8346', 0.02668138249007341), ('SOVPIIQ12A8C130D68', 0.011437154930305615)]\n",
      "user:6e90c8066ef7a7271b0b0365ffd705caa4e904ea ,recommend:[('SOSFSTC12A8C141219', 0.032515661343950224), ('SOWGFPG12A6D4F83E4', 0.031073446327683617), ('SOYSRGJ12A6D4FAC8B', 0.0306814987263892), ('SOGRPEP12A8C146C09', 0.022598870056497175), ('SOUWZPO12A6D4F83E3', 0.015315404780954747)]\n",
      "user:06d14f01b1d51acb598c505acbb5c4fb9b22970e ,recommend:[('SOAUWYT12A81C206F1', 0.09112615593919458), ('SOBOUPA12A6D4F81F1', 0.08647670806082482), ('SOZVVRE12A8C143150', 0.08245092597117491), ('SOFLJQZ12A6D4FADA6', 0.07923628603907809), ('SONJDOF12A6D4F8886', 0.0750679665264857)]\n",
      "user:8b5fe07fc882a8f77e06a4dd61d3b199db2be6c1 ,recommend:[('SOJGCZF12A6D4FB17A', 0.07142857142857142), ('SODDUBX12A6D4FA170', 0.054945054945054944), ('SOIFDQD12AB01822F5', 0.037206916762231014), ('SOAGIAY12AB0183D8F', 0.0349921947574629), ('SOJWATN12AB0183A89', 0.03296703296703297)]\n",
      "user:7fbcdfa83407a03d62aeeff164f11f387d59a4fc ,recommend:[('SOWQSYN12A58A7BB06', 0.09798270893371758), ('SOUWROC12A8C141CF3', 0.059401029620795104), ('SOWJVZY12A8C132AC2', 0.043603936454709426), ('SORWJSF12A8C138AB6', 0.040733796855736686), ('SOBJYBL12A8C134B31', 0.03462714103239213)]\n",
      "user:cdbe1d285d49e38f7cbbb3791cc97d5958781ebc ,recommend:[('SORHWSI12A6310E1FF', 0.31709841514822923), ('SOAXGDH12A8C13F8A1', 0.08911720874423716), ('SOUCPBK12A58A7881A', 0.08555671915488809), ('SOXKDFJ12A6D4FA8F9', 0.06366967637214663), ('SOFTTSD12A81C219CC', 0.061071501520466365)]\n",
      "user:aa80992e5d8457f42aea6ab238e9ad3c346fcaac ,recommend:[('SONYKOW12AB01849C9', 0.13766016967058667), ('SOCJPWM12AF72A781A', 0.011053765121672603)]\n",
      "user:050d88f241149a155b020592eb13efb643874953 ,recommend:[('SOKNWRZ12A8C13BF62', 0.09883093691770309), ('SOHTKMO12AB01843B0', 0.08819076112791074), ('SOOUNYA12AF72A5397', 0.008371890928097548)]\n",
      "user:920f175c03934274a3116eb231a3778a9c66e37a ,recommend:[('SOJKQSF12A6D4F5EE9', 0.080567245012936)]\n"
     ]
    }
   ],
   "source": [
    "#每个测试用户推荐前5首歌曲\n",
    "users = test['user'].unique()\n",
    "for user in users:\n",
    "    print('user:{} ,recommend:{}'.format(user, user_cf.recommend(user,topN)))"
   ]
  }
 ],
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